† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
1 counties by 2024 margin · County returns · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupKapaa, HIHawaiiUnited States
Filipino18.4%14.3%0.9%
Japanese8.7%11.7%0.2%
Chinese0.5%4.1%1.3%
Vietnamese0.2%0.8%0.6%
Korean0.2%1.4%0.4%
German6.8%5.8%12.5%
Irish6.3%4.7%9.4%
English6.0%5.1%9.5%
Portuguese5.3%3.2%—
Italian3.1%2.1%4.8%
French1.8%1.2%1.6%
Scottish1.3%—1.3%
American1.2%1.0%5.3%
Puerto Rican3.2%3.3%1.8%
Mexican2.9%3.4%11.3%
Spanish2.4%1.3%—
Spaniard0.6%0.7%—
Salvadoran0.3%—0.7%
Colombian0.2%—0.4%
Peruvian0.2%——
Native Hawaiian7.7%6.1%—
Marshallese0.7%0.6%—
Samoan0.2%0.9%—
Chamorro0.2%0.2%—
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
Kapaa, HI
Hawaii
United States
Median age
43.1
41
39.1
Age 18–24
6.4%
8.0%
9.2%
Age 65 and older
22.4%
20.5%
17.2%
Household economy
Measure
Kapaa, HI
Hawaii
United States
Median household income
$97,668
$100,389
$84,427
Poverty rate
9.1%
10.0%
12.5%
Bachelor's degree or higher (25+)
30.1%
36.2%
35.6%
Languages at home
Measure
Kapaa, HI
Hawaii
United States
Speaks a non-English language at home
18.3%
24.7%
22.3%
Spanish
1.2%
2.1%
13.6%
Tagalog (incl. Filipino)
4.8%
4.4%
0.6%
Other Asian & Pacific Island
9.0%
11.6%
1.1%
Religious landscape
Measure
Kapaa, HI
Hawaii
United States
Catholic
19.3%
18.6%
18.6%
Evangelical Protestant
9.8%
8.9%
16.5%
Unclaimed / not counted
53.3%
59.7%
51.5%
Latter-day Saints
5.9%
4.4%
2.0%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Kapaa, HI
presidential history
Presidential margin, 1960–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1960
−9.9%
1964
+63.1%
1968
+25.7%
1972
−16.7%
1976
+12.6%
1980
+19.2%
1984
−2.1%
1988
+17.1%
1992
+23.2%
1996
+38.2%
2000
+31.6%
2004
+20.8%
2008
+52.1%
2012
+49.3%
2016
+33.7%
2020
+28.8%
2024
+19.5%
DemocraticRepublican
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
D
58.8%Harris17,675
39.3%Trump11,803
0.9%Stein283 +3
D+19.5
R+9.3
D+21.0
30,064
All 6 candidates in 2024 · 4 minor / independent
Kamala D HarrisDemocratic58.8%17,675
Donald J TrumpRepublican39.3%11,803
Jill SteinIndependent0.9%283
Chase OliverLibertarian0.5%139
Claudia De La CruzIndependent0.4%118
Peter SonskiIndependent0.2%46
D
63.4%Biden21,225
34.6%Trump11,582
2.1%
D+28.8
R+4.9
D+24.3
33,497
D
62.5%Clinton16,456
28.8%Trump7,574
8.8%
D+33.7
R+15.6
D+31.6
26,335
D
73.5%Obama18,641
24.1%Romney6,121
2.4%
D+49.3
R+2.7
D+45.5
25,372
D
75.0%Obama20,416
22.9%McCain6,245
2.1%
D+52.1
D+31.2
D+44.8
27,224
D
60.0%Kerry14,916
39.2%Bush9,740
0.9%
D+20.8
R+10.8
D+23.3
24,876
D
61.9%Gore13,470
30.2%Bush6,583
7.9%
D+31.6
R+6.6
D+31.1
21,773
D
63.5%Clinton13,357
25.3%Dole5,325
11.1%
D+38.2
D+15.0
D+29.7
21,020
D
56.0%Clinton10,715
32.8%Bush6,274
11.2%
D+23.2
D+6.1
D+17.7
19,127
D
58.1%Dukakis11,770
40.9%Bush8,298
1.0%
D+17.1
D+19.2
D+24.9
20,266
R
48.3%Mondale8,862
50.5%Reagan9,249
1.2%
R+2.1
R+21.4
D+16.1
18,332
D
54.6%Carter9,081
35.4%Reagan5,883
10.0%
D+19.2
D+6.7
D+29.0
16,621
D
55.8%Carter8,105
43.2%Ford6,278
1.0%
D+12.6
D+29.3
D+10.5
14,522
R
41.6%McGovern5,401
58.4%Nixon7,571
0.0%
R+16.7
R+42.4
D+6.4
12,972
D
62.1%Humphrey7,051
36.5%Nixon4,140
1.4%
D+25.7
R+37.4
D+26.4
11,346
D
81.6%Johnson8,713
18.4%Goldwater1,971
0.0%
D+63.1
D+73.0
D+40.5
10,684
R
45.0%Kennedy4,636
55.0%Nixon5,655
0.0%
R+9.9
—
R+10.1
10,291
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Congressional elections · 3 Senate races
U.S. Senate
Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year
Won
Democratic
Republican
Total
2024
D
66.4%18,934
30.0%8,537
28,495
2022
D
72.4%16,974
24.4%5,711
23,449
2018
D
75.2%18,510
24.8%6,120
24,630
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Kapaa, HI
Year
Total registered
2016
44,332
2018
44,461
2020
47,253
2022
48,525
2024
48,139
domestic migration
Who moves in and out
Net domestic migration over time
−256 net domestic migration · 2025
20112025
Net −1,232 over 2011–2025 · gain loss
Domestic migration in Kapaa, HI in Kapaa, HI: net domestic migration by year
Year
Net domestic migration
2011
−47
2012
−22
2013
+388
2014
+206
2015
+120
2016
−223
2017
−186
2018
−26
2019
−230
2021
+253
2022
−434
2023
−254
2024
−521
2025
−256
Kapaa, HI sits in the Pacific. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 63.1 points in 1964 and a Republican high of 16.7 points in 1972. Between 2020 and 2024 the metro moved 9.3 points toward the Republican candidate; the 2024 margin was 19.5 points.
A population of 73,731, a 29% non-Hispanic-white share, and a median household income of $97,668 describe the metro. The metro's voting pattern over the last decade is most similar to that of Kahului-Wailuku, HI and Hilo-Kailua, HI.
Akashic
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Kapaa, HI, Hawaii. Akashic. https://akashic.app/cbsa/28180/. Accessed May 20, 2026. License: CC BY 4.0.
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In 2024, Kapaa, HI, Hawaii voted Democratic by 19.5 points (D+19.5), carried by the Democratic candidate. Out of 30,064 votes cast, 17,675 went Democratic and 11,803 went Republican.
When did Kapaa, HI, Hawaii last vote Republican?
The most recent presidential election in which Kapaa, HI, Hawaii voted Republican was 1984.
How many people live in Kapaa, HI, Hawaii?
Kapaa, HI, Hawaii has a population of 73,731 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Kapaa, HI, Hawaii?
Median household income in Kapaa, HI, Hawaii is $97,668 — above the national median of $80,734. The Hawaii state median is $100,389.
What is the political history of Kapaa, HI, Hawaii?
Akashic tracks 34 presidential elections in Kapaa, HI, Hawaii from 1892 to 2024. Of those, 14 went Democratic and 3 went Republican.
